Home / 1,338,099.09-2,007,542.30-538,969.29

Finding the Fourth Proportional to 1,338,099.09, 2,007,542.30 and 538,969.29

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Solution

The fourth proportional to 1,338,099.09, 2,007,542.30 and 538,969.29 is: 808,612.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,099.09 : 2,007,542.30 = 538,969.29 : x
  2. Step 2: Convert to fraction form
    1,338,099.09/2,007,542.30 = 538,969.29/x
  3. Step 3: Cross multiply
    1,338,099.09x = 2,007,542.30 × 538,969.29
  4. Step 4: Simplify right side
    1,338,099.09x = 1,082,003,645,381.12
  5. Step 5: Solve for x
    x = 1,082,003,645,381.12/1,338,099.09
  6. Step 6: Final answer
    x = 808,612.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.